Mouthpiece



FIG. 1 is a top plan view of a mouthpiece showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side perspective view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is rear perspective view thereof;

FIG. 6 is another rear perspective view thereof; and,

FIG. 7 is another side perspective view thereof.

The broken lines shown in the drawings in FIGS. 1-7 represent portions of the mouthpiece that form no part of the claimed design. 

CLAIM The ornamental design for a mouthpiece, as shown and described. 